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  • MPEC 2010-H16 : 2009 JO2

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    M.P.E.C. 2010-H16                                Issued 2010 Apr. 18, 20:36 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
       on behalf of Commission 20 of the International Astronomical Union by the
              Minor Planet Center, Smithsonian Astrophysical Observatory,
                              Cambridge, MA 02138, U.S.A.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
           URL https://www.minorplanetcenter.org/iau/mpc.html  ISSN 1523-6714
    
                                       2009 JO2
    
                               Revision to MPEC 2009-J57
    
    Additional Observations:
         K09J02O  S2010 04 11.23694 19 19 08.96 -04 17 29.6          22   R EH016C51
         K09J02O  s2010 04 11.23694 1 + 1868.4953 - 6617.0458 -  692.9990   EH016C51
         K09J02O  S2010 04 11.36912 19 19 04.29 -04 11 34.6                 EH016C51
         K09J02O  s2010 04 11.36912 1 + 1897.2611 - 6617.2678 -  603.4190   EH016C51
         K09J02O  S2010 04 11.36925 19 19 04.42 -04 11 33.9                 EH016C51
         K09J02O  s2010 04 11.36925 1 + 1884.5482 - 6612.9844 -  685.9259   EH016C51
         K09J02O  S2010 04 11.69994 19 18 52.52 -03 56 47.6                 EH016C51
         K09J02O  s2010 04 11.69994 1 + 1931.7478 - 6605.5132 -  622.6072   EH016C51
         K09J02O  S2010 04 11.76603 19 18 50.01 -03 53 52.2                 EH016C51
         K09J02O  s2010 04 11.76603 1 + 1946.1143 - 6605.2282 -  577.9333   EH016C51
         K09J02O  S2010 04 12.09673 19 18 37.73 -03 39 01.6                 EH016C51
         K09J02O  s2010 04 12.09673 1 + 1993.2877 - 6596.6464 -  515.7457   EH016C51
    
    Observer details:
    C51 WISE.  Measurers A. Mainzer, E. Wright, J. Bauer, T. Grav, J. Dailey, J.
        Masiero, R. Cutri, R. McMillan, R. Walker.
        (http://wise.ssl.berkeley.edu/mission_sci.html)
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    100411 C51 0.01- 0.10-    100412 C51 0.07- 0.07-    MPO159142   +4.0 day
    
    Orbital elements:
    2009 JO2                                                 Earth MOID = 0.0552 AU
    Epoch 2010 July 23.0 TT = JDT 2455400.5                 MPC
    M 215.79002              (2000.0)            P               Q
    n   1.17697793     Peri.  239.66827     +0.13898785     -0.98119017
    a   0.8884313      Node   203.49848     +0.98410177     +0.15195419
    e   0.4781633      Incl.   19.63327     +0.11057160     -0.11906202
    P   0.84           H   19.2           G   0.15           U   6
    Residuals in seconds of arc
    090513 G96  0.4-  0.0     090514 G96  0.3+  0.2+    100411 C51  1.2-  1.2-
    090513 G96  0.1+  0.3-    090514 G96  0.3-  0.4-    100411 C51  0.9-  0.4+
    090513 G96  0.1-  0.1-    090514 G96  0.2-  0.5-    100411 C51  1.1+  0.5+
    090513 G96  0.5-  0.5-    090514 291  0.1-  1.2+    100411 C51  1.4+  0.7+
    090514 291  0.6+  0.7-    090514 G96  0.0   0.1-    100411 C51  0.0   1.2-
    090514 G96  0.5+  0.1+    090514 G96  0.5-  0.0     100412 C51  0.5-  0.7+
    090514 G96  0.4-  0.3-    090515 G96  0.4-  0.3-
    090514 291  0.1+  0.1+    090515 G96  0.4-  0.4-
    
    Ephemeris:
    2009 JO2                 a,e,i = 0.89, 0.48, 20                  q = 0.4636
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2010 04 14    19 17.36   -02 13.1    0.426    1.110    93.0    64.4    19.9
    2010 04 24    19 07.48   +05 36.5    0.407    1.165   102.8    57.3    19.6
    2010 05 04    18 50.56   +13 44.6    0.391    1.211   112.1    50.4    19.5
    2010 05 14    18 24.76   +21 32.6    0.385    1.248   120.0    44.5    19.3
    2010 05 24    17 50.22   +27 55.0    0.391    1.277   124.8    40.6    19.3
    2010 06 03    17 10.89   +31 51.5    0.412    1.297   125.5    39.5    19.4
    2010 06 13    16 33.34   +33 05.4    0.445    1.309   122.4    40.9    19.6
    2010 06 23    16 03.33   +32 07.6    0.488    1.313   117.2    43.5    19.9
    2010 07 03    15 42.84   +29 48.5    0.536    1.309   111.1    46.4    20.2
    2010 07 13    15 31.01   +26 47.2    0.586    1.296   104.8    49.3    20.4
    2010 07 23    15 26.23   +23 28.0    0.634    1.275    98.6    52.0    20.7
    2010 08 02    15 26.78   +20 04.2    0.677    1.246    92.7    54.5    20.8
    2010 08 12    15 31.36   +16 40.8    0.713    1.208    87.0    56.9    20.9
    2010 08 22    15 39.03   +13 19.8    0.739    1.161    81.5    59.5    21.0
    2010 09 01    15 48.97   +10 00.9    0.754    1.105    76.1    62.4    21.0
    2010 09 11    16 00.52   +06 41.0    0.754    1.040    70.8    66.0    21.0
    2010 09 21    16 12.91   +03 15.4    0.739    0.966    65.3    70.7    20.9
    
    Timothy B. Spahr             (C) Copyright 2010 MPC           M.P.E.C. 2010-H16
    

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